Steamer base and cover



FIG. 1 is a top, right side and front perspective view of a steamer base and cover showing the new design;

FIG. 2 is a front elevation view thereof, the rear elevation being identical thereto;

FIG. 3 is a right side elevation view thereof, the left side elevation being identical thereto;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a steamer base and cover, as shown and described. 